* Keep 35 most important foreign countries for US EPFR equity mutual funds + US: 
keep if  country == "australia" ///
|   country == "belgium" ///
|   country == "brazil" ///
|   country == "canada" ///
|   country == "chile" ///
|   country == "china"   ///
|   country == "colombia" ///
|   country == "denmark" ///
|   country == "finland" ///
|   country == "france" ///
|   country == "germany" ///
|   country == "hongkong" ///
|   country == "india" ///
|   country == "indonesia" ///
|   country == "ireland" ///
|   country == "israel" ///
|   country == "italy" ///
|   country == "japan"  ///
|   country == "koreasouth" ///
|   country == "malaysia" ///
|   country == "mexico" ///
|   country == "netherlands" ///
|   country == "norway" ///
|   country == "peru" ///
|   country == "philippines" ///
|   country == "poland" ///
|   country == "singapore" ///
|   country == "southafrica" ///
|   country == "spain" ///
|   country == "sweden" ///
|   country == "switzerland" ///
|   country == "taiwan" ///
|   country == "thailand" ///
|   country == "turkey" ///
|   country == "unitedkingdom"  ///
|   country == "unitedstates" 